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Decide Whether the Equation Is an Identity, a Conditional Equation $2 ( 5 x - 14 ) - 10 x + 28 = 0$

Question 327

Multiple Choice

Decide whether the equation is an identity, a conditional equation, or a contradiction. Give the solution set.
- $2 ( 5 x - 14 ) - 10 x + 28 = 0$

A) Conditional; $\{ 0 \}$
B) Identity; {all real numbers}
C) Contradiction; $\varnothing$
D) Conditional; $\{ 5 \}$

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